jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of jQuery. Whether you're building highly interactive web applications, or you just need to add a date picker to a form control, jQuery UI is the perfect choice.

In general, fork the project, create a branch for a specific change and send a
pull request for that branch. Don't mix unrelated changes. You can use the commit
message as the description for the pull request.